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Finding the Fourth Proportional to 532.74, 798.91 and 186.06

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Solution

The fourth proportional to 532.74, 798.91 and 186.06 is: 279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.74 : 798.91 = 186.06 : x
  2. Step 2: Convert to fraction form
    532.74/798.91 = 186.06/x
  3. Step 3: Cross multiply
    532.74x = 798.91 × 186.06
  4. Step 4: Simplify right side
    532.74x = 148,644.26
  5. Step 5: Solve for x
    x = 148,644.26/532.74
  6. Step 6: Final answer
    x = 279.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.